CN108693506A - A kind of carrier - Google Patents
A kind of carrier Download PDFInfo
- Publication number
- CN108693506A CN108693506A CN201810284120.7A CN201810284120A CN108693506A CN 108693506 A CN108693506 A CN 108693506A CN 201810284120 A CN201810284120 A CN 201810284120A CN 108693506 A CN108693506 A CN 108693506A
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- China
- Prior art keywords
- carrier
- antenna
- measured
- left part
- mounting groove
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention relates to a kind of carrier, the shape of the carrier is in left part and the class fusiformis structure that right part is wedge angle;The mounting groove for installing antenna is provided at the top of the carrier, and the mounting groove is equal with the distance between the left part and the right part respectively;Antenna to be measured can be mounted in the mounting groove, and the right side of the left side of the antenna to be measured antenna to be measured opposite with the left part, described is opposite with the right part.Technical solution provided by the invention is emitted test signal from the left or right side of carrier to the antenna on carrier, when being tested with the lateral Radar Cross Section to antenna, more can accurately measure the lateral Radar Cross Section of antenna.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of carriers.
Background technology
When being measured to the radar scattering characteristic of antenna, it usually needs be antenna configuration low scattering carrier accordingly.
Currently, existing low scattering carrier is typically designed for the head of antenna to test index, by antenna to be measured
It is installed to when being tested with the lateral Radar Cross Section to antenna on existing low scattering carrier, existing low scattering carries
The scattered field that the scattered field of body itself treats observation line can affect greatly, can not be to the lateral Radar Cross Section of antenna
Accurately measured.
Therefore, for the above deficiency, it is desirable to provide a kind of solution can not carry out the lateral Radar Cross Section of antenna
Accurate the problem of measuring.
Invention content
The technical problem to be solved in the present invention is, for the defects in the prior art, providing a kind of solution can not be to day
The problem of lateral Radar Cross Section of line is accurately measured.
In order to solve the above technical problem, the present invention provides a kind of carrier,
The shape of the carrier is the class fusiformis structure of wedge angle in left part and right part;
Be provided with antenna mounting groove at the top of the carrier, and the mounting groove respectively with the left part and the right end
The distance between portion is equal;
Antenna to be measured can be mounted on the mounting groove in, and the left side of the antenna to be measured it is opposite with the left part,
The right side of the antenna to be measured is opposite with the right part.
Preferably,
The upward view of the carrier is in class diamond shape;
The upper side angle of the class diamond shape and lower side angle are fillet.
Preferably,
The carrier is in symmetrical structure with specified segmentation plane, wherein the specified segmentation plane is perpendicular to the left end
Line between portion and the right part, and the center of the carrier is located in the segmentation plane.
Preferably,
The carrier, including:The metal skin of holder and outer cover on the bracket.
Preferably,
The surface roughness of the metal skin is not more than 3.2um.
Preferably,
The left side of the antenna to be measured and the left side wall seamless connectivity of the mounting groove;
The right side of the antenna to be measured and the right side wall seamless connectivity of the mounting groove;
Top area corresponding to top of the upper surface of the antenna to be measured with the carrier seamlessly transits.
Preferably,
When line between the left part and the right part carries out longitudinal sectional to the carrier, section and the carrier
Top corresponding to top area between be formed by intersection apical curvature be not less than the antenna to be measured surface curvature.
Preferably,
The bottom curvature of intersection between the section and the lower surface of the carrier is less than the apical curvature.
Preferably,
The corresponding curvature of each position institute in the left end region adjacent with the left part of the upper surface of the carrier
It is incremented by from the left part to the junction between the left part and the left end region and the top area;
Each position slope on direction of the left part towards the right part is incremented by the left end region;
The junction of the top area and the left end region smoothly transits.
Preferably,
Length of the left end region on the direction along the left part towards the right part meets following formula:
Wherein, D characterizes length of the left end region on the direction along the left part towards the right part, K is
Constant, α characterize the apical curvature, β characterizes the bottom curvature, M is characterized in a manner of orthographic projection from the front end of the carrier
When carrying out orthographic projection to the rear end of the carrier, it is located at the height of the view field on projection plane.
A kind of carrier for implementing the present invention, has the advantages that:
1, implement technical solution provided by the invention, antenna to be measured can be installed in the mounting groove of carrier so as to be measured
The right side and right part of the left side of antenna antenna opposite with the left part of carrier, to be measured are opposite, from the left side or the right side of carrier
It is mounted laterally the antenna transmitting test signal on carrier, is tested with the lateral Radar Cross Section to antenna;At this point,
Since the shape of carrier is in left part and the class fusiformis structure that right part is wedge angle so that carrier was formed under test signal dissipates
It penetrates field and will not treat the scattered field of observation line and impact, more can accurately measure the lateral radar cross section of antenna to be measured
Product.
2, implement technical solution provided by the invention, the shape of carrier is in left part and the class fusiformis knot that right part is wedge angle
Structure, and the upward view of carrier is fillet in class diamond shape, the upper side angle of class diamond shape and lower side angle, in this way, working as from the left side of carrier
Or right side to antenna to be measured send test signal when, carrier is relatively small relative to the equivalent signal receiving area of test signal,
The scattered field for further decreasing carrier itself treats interference caused by the scattered field of observation line.
3, technical solution provided by the invention, carrier are in symmetrical structure with specified segmentation plane in real time, specify segmentation plane
Line between left part and right part, and the center of carrier is located in segmentation plane.So, it can be ensured that either from
The left or right side of carrier is sent test signal to the antenna on carrier and is cut with the lateral radar scattering for treating observation line
When area is tested, tests effect and test result is identical.
4, implement technical scheme of the present invention, holder can be made of metal material, and holder made of metal material should
With higher integral strength and non-deformability, so that the outer metal skin covered on holder is able to maintain that specific shape
State (being in class fusiformis structure), can be to test signal carry out portion so that metal skin has preferable surface current guidance quality
Divide and absorb, dispersion effect is relatively low, can further decrease the influence caused by scattered field of the scattered field of carrier itself to antenna.
5, implement technical scheme of the present invention, the surface roughness of metal skin is not more than 3.2um, the i.e. table of metal skin
Face finish is relatively high, and the higher metal skin of finish is lower to the dispersion effect of test signal, can further decrease load
Influence caused by scattered field of the scattered field of body itself to antenna.
6, implement technical scheme of the present invention, the left side of antenna to be measured and the left side wall seamless connectivity of mounting groove;Institute
State the right side of antenna to be measured and the right side wall seamless connectivity of the mounting groove;The upper surface of the antenna to be measured and the load
Top area corresponding to the top of body seamlessly transits.Test signal can be prevented to be in be measured in the connection of antenna to be measured and carrier
Multiple reflections are carried out between the side and carrier of antenna.
7, implement technical scheme of the present invention, when the line between left part and right part carries out longitudinal sectional to carrier, cut
The apical curvature that intersection is formed by between top area corresponding to face and the top of carrier is not less than the surface of antenna to be measured
Curvature.It can ensure that test signal can be with a relatively large deviation angle from the left or right side of carrier on carrier
Antenna transmitting test signal when, with larger deviation angle test signal still will not be carried out between antenna and carrier it is more
Secondary reflection.
8, implement technical scheme of the present invention, the bottom curvature of the intersection between section and the lower surface of carrier is less than described
Apical curvature, carrier top can be enable to have, and there are one relatively large regions to dispose the installation for installing antenna to be measured
Slot.
9, implement technical scheme of the present invention, each position institute in the left end region adjacent with left part of the upper surface of carrier
Corresponding curvature is incremented by from left part to the junction between the left part and left end region and top area;Left end area
The corresponding slope of each position institute, is incremented by direction of the left part towards the right part in domain;Top area and a left side
The junction of end regions smoothly transits.In this way, carrier can be made preferably to absorb transmitting with relatively long and smooth curved surface
To the test signal of carrier, when carrier has metal skin, then it can rely on its good surface current guidance quality and preferably inhale
Directly transmitting is received to the test signal of carrier, the significantly more efficient scattered field for reducing carrier itself treats the scattering place of observation line
At influence.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for carrier that the embodiment of the present invention one provides;
Fig. 2 is a kind of upward view of carrier provided by Embodiment 2 of the present invention;
Fig. 3 is a kind of front view for carrier that the embodiment of the present invention seven provides.
In figure:10:Left part;20:Right part;30:Mounting groove;40:Upper side angle;50:Lower side angle.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, a kind of carrier provided in an embodiment of the present invention, the shape of the carrier is in left part 10 and right part
20 be the class fusiformis structure of wedge angle;
Be provided with antenna mounting groove 30 at the top of the carrier, and the mounting groove 30 respectively with the left part 10 and institute
It is equal to state the distance between right part 20;
Antenna to be measured can be mounted in the mounting groove 30, and the left side of the antenna to be measured and 10 phase of the left part
It is opposite to the right side and the right part 20 of, the antenna to be measured.
In use, antenna to be measured can be installed in the mounting groove of carrier so that the left side of antenna to be measured and carrier
Left part is opposite, the right side of antenna to be measured is opposite with right part, from the left or right side of carrier to the day on carrier
Line emits test signal, is tested with the lateral Radar Cross Section to antenna;At this point, since the shape of carrier is in left end
Portion and the class fusiformis structure that right part is wedge angle so that the scattered field that carrier is formed under test signal will not treat observation line
Scattered field impacts, and more can accurately measure the lateral Radar Cross Section of antenna to be measured.
Embodiment two
As shown in Fig. 2, the present embodiment two and embodiment one are essentially identical, something in common repeats no more, the difference is that:
The upward view of the carrier is in class diamond shape;
The upper side angle 40 of the class diamond shape and lower side angle 50 are fillet.
In embodiment two, the shape of carrier is in left part and class fusiformis structure that right part is wedge angle, and carrier is looked up
Figure in class diamond shape, the upper side angle of class diamond shape and lower side angle is fillet, in this way, ought be from the left or right side of carrier to antenna to be measured
When sending test signal, carrier is relatively small relative to the equivalent signal receiving area of test signal, further decreases carrier certainly
The scattered field of body treats the interference caused by the scattered field of observation line.
Embodiment three
The present embodiment three and embodiment two are essentially identical, and something in common repeats no more, the difference is that:The carrier with
Specified segmentation plane is in symmetrical structure, wherein the specified segmentation plane is perpendicular to the left part 10 and the right part 20
Between line, and the center of the carrier is located in the segmentation plane.So, it can be ensured that either from the left side of carrier or
Right side is sent test signal to the antenna on carrier and is tested with the lateral Radar Cross Section for treating observation line
When, it tests effect and test result is identical.
Example IV
The present embodiment four and embodiment three are essentially identical, and something in common repeats no more, the difference is that:The carrier,
Including:The metal skin of holder and outer cover on the bracket.
In example IV, holder can be made of metal material, and holder made of metal material should have higher whole
Body intensity and non-deformability, so that the outer metal skin covered on holder is able to maintain that specific form (is in class shuttle
Shape structure), so that metal skin has preferable surface current guidance quality, test signal can be partially absorbed, be scattered
Effect is relatively low, can further decrease the influence caused by scattered field of the scattered field of carrier itself to antenna.
Embodiment five
The present embodiment five is essentially identical with example IV, and something in common repeats no more, the difference is that:The metal covers
The surface roughness of skin is not more than 3.2um.The surface roughness of metal skin is not more than 3.2um, i.e. the surface light of metal skin
Cleanliness is relatively high, and the higher metal skin of finish is lower to the dispersion effect of test signal, can further decrease carrier certainly
Influence caused by scattered field of the scattered field of body to antenna.
Embodiment six
The present embodiment six and embodiment one are essentially identical, and something in common repeats no more, the difference is that:It is described to wait for observation
The left side wall seamless connectivity of the left side of line and the mounting groove 30;The right side of the antenna to be measured and the mounting groove 30
Right side wall seamless connectivity;Top area corresponding to top of the upper surface of the antenna to be measured with the carrier is smoothed
It crosses.It can prevent test signal from being carried out between antenna to be measured and side and carrier of the connection in antenna to be measured of carrier repeatedly anti-
It penetrates.
Embodiment seven
Referring to FIG. 3, the present embodiment seven and embodiment one are essentially identical, something in common repeats no more, the difference is that:
When line between the left part 10 and the right part 20 carries out longitudinal sectional to the carrier, the top of section and the carrier
The apical curvature that intersection is formed by between top area corresponding to portion is not less than the surface curvature of the antenna to be measured.It can be true
Protecting test signal can be sent out with a relatively large deviation angle from the left or right side of carrier to the antenna on carrier
When penetrating test signal, the test signal with larger deviation angle still will not carry out multiple reflections between antenna and carrier.
Embodiment eight,
Referring to FIG. 3, the present embodiment eight and embodiment seven are essentially identical, something in common repeats no more, the difference is that:
The bottom curvature of intersection between the section and the lower surface of the carrier is less than the apical curvature.In this way, carrier can be made
Top can have disposes the mounting groove for installing antenna to be measured there are one relatively large region.
Embodiment nine
Referring to FIG. 3, the present embodiment nine and embodiment eight are essentially identical, something in common repeats no more, the difference is that:
The corresponding song of each position institute in the left end region adjacent with the left part 10 of the upper surface of the carrier
Rate is incremented by by the left end, 10 to the junction between the left part 10 and the left end region and the top area;
Each position slope on direction of the left part 10 towards the right part 20 is incremented by the left end region;
The junction of the top area and the left end region smoothly transits.
Believe in this way, carrier can be made preferably to absorb transmitting to the test of carrier with relatively long and smooth curved surface
Number, when carrier has metal skin, then its responsible good surface current guidance quality preferably absorbs directly transmitting to load
The test signal of body, the significantly more efficient scattered field for reducing carrier itself treat where the scattered field of observation line at influence.
Embodiment ten
The present embodiment ten and embodiment nine are essentially identical, and something in common repeats no more, the difference is that:
Length of the left end region on the direction along the left part 10 towards the right part 20 meets following public
Formula:
Wherein, D characterizes length of the left end region on the direction along the left part towards the right part, K is
Constant, α characterize the apical curvature, β characterizes the bottom curvature, M is characterized in a manner of orthographic projection from the front end of the carrier
When carrying out orthographic projection to the rear end of the carrier, it is located at the height of the view field on projection plane.
In embodiment ten, by above-mentioned formula, the maximum gauge in conjunction with apical curvature, bottom curvature and carrier is realized,
To be defined to length of the left end region on the direction along left part towards right part, it can be ensured that carrier has relatively long
And smooth curved surface preferably to absorb transmitting to the test signal of carrier.
In conclusion antenna to be measured, can be installed in the mounting groove of carrier by a kind of carrier provided in an embodiment of the present invention,
So that the right side and right part of the left side antenna opposite with the left part of carrier, to be measured of antenna to be measured are opposite, from carrier
Left or right side emits test signal to the antenna on carrier, is surveyed with the lateral Radar Cross Section to antenna
Examination;At this point, since the shape of carrier is in left part and the class fusiformis structure that right part is wedge angle so that carrier is under test signal
The scattered field that the scattered field of formation will not treat observation line impacts, and more can accurately measure the lateral radar of antenna to be measured
Scattering resonance state.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features;
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of carrier, it is characterised in that:
The shape of the carrier is the class fusiformis structure of wedge angle in left part and right part;
Be provided with the mounting groove for installing antenna at the top of the carrier, and the mounting groove respectively with the left part and institute
It is equal to state the distance between right part;
Antenna to be measured can be mounted in the mounting groove, and the left side of the antenna to be measured is opposite with the left part, described
The right side of antenna to be measured is opposite with the right part.
2. carrier according to claim 1, which is characterized in that
The upward view of the carrier is in class diamond shape;
The upper side angle of the class diamond shape and lower side angle are fillet.
3. carrier according to claim 2, which is characterized in that
The carrier is in symmetrical structure with specified segmentation plane, wherein the specified segmentation plane perpendicular to the left part with
Line between the right part, and the center of the carrier is located in the segmentation plane.
4. carrier according to claim 1, which is characterized in that
The carrier, including:The metal skin of holder and outer cover on the bracket.
5. carrier according to claim 4, which is characterized in that
The surface roughness of the metal skin is not more than 3.2um.
6. carrier according to claim 1, which is characterized in that
The left side of the antenna to be measured and the left side wall seamless connectivity of the mounting groove;
The right side of the antenna to be measured and the right side wall seamless connectivity of the mounting groove;
Top area corresponding to top of the upper surface of the antenna to be measured with the carrier seamlessly transits.
7. carrier according to claim 6, which is characterized in that
When line between the left part and the right part carries out longitudinal sectional to the carrier, the top of section and the carrier
The apical curvature that intersection is formed by between top area corresponding to portion is not less than the surface curvature of the antenna to be measured.
8. carrier according to claim 7, which is characterized in that
The bottom curvature of intersection between the section and the lower surface of the carrier is less than the apical curvature.
9. carrier according to claim 8, which is characterized in that
The corresponding curvature of each position institute is by institute in the left end region adjacent with the left part of the upper surface of the carrier
Left part is stated to the junction between the left part and the left end region and the top area to be incremented by;
Each position slope on direction of the left part towards the right part is incremented by the left end region;
The junction of the top area and the left end region smoothly transits.
10. carrier according to claim 9, which is characterized in that
Length of the left end region on the direction along the left part towards the right part meets following formula:
Wherein, D characterize length of the left end region on the direction along the left part towards the right part, K be constant,
α characterizes the apical curvature, β characterizes the bottom curvature, M characterizations in a manner of orthographic projection from the front end of the carrier to described
When the rear end of carrier carries out orthographic projection, it is located at the height of the view field on projection plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284120.7A CN108693506B (en) | 2018-04-02 | 2018-04-02 | Carrier for testing lateral radar scattering sectional area of antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284120.7A CN108693506B (en) | 2018-04-02 | 2018-04-02 | Carrier for testing lateral radar scattering sectional area of antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108693506A true CN108693506A (en) | 2018-10-23 |
| CN108693506B CN108693506B (en) | 2020-03-10 |
Family
ID=63844769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810284120.7A Active CN108693506B (en) | 2018-04-02 | 2018-04-02 | Carrier for testing lateral radar scattering sectional area of antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693506B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633286A (en) * | 2018-12-03 | 2019-04-16 | 成都飞机工业（集团）有限责任公司 | A kind of carrier with electromagnetism test characteristic |
| CN113075634A (en) * | 2021-03-29 | 2021-07-06 | 北京环境特性研究所 | RCS (Radar Cross section) evaluation carrier for vertical polarized waves |
| CN114044164A (en) * | 2021-11-10 | 2022-02-15 | 北京环境特性研究所 | Low-scattering carrier for RCS (Radar Cross section) test of wing parts |
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| US5760735A (en) * | 1996-10-21 | 1998-06-02 | The United States Of America As Represented By The Secretary Of The Air Force | Phase stationary test body |
| CN102253376A (en) * | 2011-04-14 | 2011-11-23 | 西北工业大学 | Method for testing RCS (radar cross section) of low-scattering conformal antenna based on two-dimensional microwave imaging |
| CN104267381A (en) * | 2014-08-28 | 2015-01-07 | 北京环境特性研究所 | Combined type nose-taper-shaped electromagnetic scattering datum point model |
| CN106443611A (en) * | 2015-11-11 | 2017-02-22 | 北京航空航天大学 | RCS measurement method for weak scattering targets |
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| US5760735A (en) * | 1996-10-21 | 1998-06-02 | The United States Of America As Represented By The Secretary Of The Air Force | Phase stationary test body |
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| CN104267381A (en) * | 2014-08-28 | 2015-01-07 | 北京环境特性研究所 | Combined type nose-taper-shaped electromagnetic scattering datum point model |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633286A (en) * | 2018-12-03 | 2019-04-16 | 成都飞机工业（集团）有限责任公司 | A kind of carrier with electromagnetism test characteristic |
| CN109633286B (en) * | 2018-12-03 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Carrier with electromagnetic test characteristic |
| CN113075634A (en) * | 2021-03-29 | 2021-07-06 | 北京环境特性研究所 | RCS (Radar Cross section) evaluation carrier for vertical polarized waves |
| CN113075634B (en) * | 2021-03-29 | 2023-02-24 | 北京环境特性研究所 | RCS (radar cross section) evaluation carrier for vertical polarized waves |
| CN114044164A (en) * | 2021-11-10 | 2022-02-15 | 北京环境特性研究所 | Low-scattering carrier for RCS (Radar Cross section) test of wing parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108693506B (en) | 2020-03-10 |
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